.required::before {
  display: inline-block;
  margin-right: 4px;
  color: #ff4d4f;
  font-size: 14px;
  font-family: SimSun, sans-serif;
  line-height: 1;
  content: "*";
}

.editormd-html-preview, .editormd-preview-container {
  padding: 0 10px;
  overflow-y: hidden;
}
